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Fang L, Li J, Cheng H, Liu H, Zhang C. Dual fluorescence images, transport pathway, and blood-brain barrier penetration of B-Met-W/O/W SE. Int J Pharm 2024; 652:123854. [PMID: 38280499 DOI: 10.1016/j.ijpharm.2024.123854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 01/07/2024] [Accepted: 01/23/2024] [Indexed: 01/29/2024]
Abstract
Borneol is an aromatic traditional Chinese medicine that can improve the permeability of the blood-brain barrier (BBB), enter the brain, and promote the brain tissue distribution of many other drugs. In our previous study, borneol-metformin hydrochloride water/oil/water composite submicron emulsion (B-Met-W/O/W SE) was prepared using borneol and SE to promote BBB penetration, which significantly increased the brain distribution of Met. However, the dynamic images, transport pathway (uptake and efflux), promotion of BBB permeability, and mechanisms of B-Met-W/O/W SE before and after entering cells have not been clarified. In this study, rhodamine B and coumarin-6 were selected as water-soluble and oil-soluble fluorescent probes to prepare B-Met-W/O/W dual-fluorescent SE (B-Met-W/O/W DFSE) with concentric circle imaging. B-Met-W/O/W SE can be well taken up by brain microvascular endothelial cells (BMECs). The addition of three inhibitors (chlorpromazine hydrochloride, methyl-β-cyclodextrin, and amiloride hydrochloride) indicated that its main pathway may be clathrin-mediated and fossa protein-mediated endocytosis. Meanwhile, B-Met-W/O/W SE was obviously shown to inhibit the efflux of BMECs. Next, BMECs were cultured in the Transwell chamber to establish a BBB model, and Western blot was employed to detect the protein expressions of Occludin, Zona Occludens 1 (ZO-1), and p-glycoprotein (P-gp) after B-Met-W/O/W SE treatment. The results showed that B-Met-W/O/W SE significantly down-regulated the expression of Occludin, ZO-1, and P-gp, which increased the permeability of BBB, promoted drug entry into the brain through BBB, and inhibited BBB efflux. Furthermore, 11 differentially expressed genes (DEGs) and 7 related signaling pathways in BMECs treated with B-W/O/W SE were detected by transcriptome sequencing and verified by quantitative real-time polymerase chain reaction (qRT-PCR). These results provide a scientific experimental basis for the dynamic monitoring, transmembrane transport mode, and permeation-promoting mechanism of B-Met-W/O/W SE as a new brain-targeting drug delivery system.
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Affiliation(s)
- Liang Fang
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei 230012, Anhui, China; School of Pharmacy, Institute of Pharmacokinetics, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Anhui Genuine Chinese Medicinal Materials Quality Improvement Collaborative Innovation Center, Hefei 230012, Anhui, China; Anhui Academy of Chinese Medicine, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Junying Li
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei 230012, Anhui, China; School of Pharmacy, Institute of Pharmacokinetics, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Anhui Genuine Chinese Medicinal Materials Quality Improvement Collaborative Innovation Center, Hefei 230012, Anhui, China; Anhui Academy of Chinese Medicine, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Hongyan Cheng
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei 230012, Anhui, China; School of Pharmacy, Institute of Pharmacokinetics, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Anhui Genuine Chinese Medicinal Materials Quality Improvement Collaborative Innovation Center, Hefei 230012, Anhui, China; Anhui Academy of Chinese Medicine, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Huanhuan Liu
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei 230012, Anhui, China; School of Pharmacy, Institute of Pharmacokinetics, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Anhui Genuine Chinese Medicinal Materials Quality Improvement Collaborative Innovation Center, Hefei 230012, Anhui, China; Anhui Academy of Chinese Medicine, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Caiyun Zhang
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei 230012, Anhui, China; School of Pharmacy, Institute of Pharmacokinetics, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Anhui Genuine Chinese Medicinal Materials Quality Improvement Collaborative Innovation Center, Hefei 230012, Anhui, China; Anhui Academy of Chinese Medicine, Anhui University of Chinese Medicine, Hefei 230012, China.
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Putta CL, Rahman SNR, Chakraborty P, Shunmugaperumal T. Development, systematic optimisation and biofilm disruption activity of eugenol-based nanosized emulsions stabilised with Tween 80. J Microencapsul 2023; 40:517-533. [PMID: 37526405 DOI: 10.1080/02652048.2023.2244094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 07/17/2023] [Indexed: 08/02/2023]
Abstract
The aims of this study were to systematically optimise a formula for eugenol emulsions via face-centered central composite design and to assess the activity against two-different bacterial strains (Staphylococcus aureus and Propionibacterium acnes) present at planktonic and biofilm forms. The molecular interaction of excipients, mean particle size (MPS) including zeta potential (ZP), drug entrapment efficiency (DEE) and in vitro drug release of optimised emulsions was done using FT-IR, Malvern Zetasizer, ultracentrifugation technique and membrane-free dissolution model, respectively. The emulsions consisted of 151.3 ± 1.45 nm MPS, -21.3 ± 1.25 mV ZP and 93.98 ± 1.41% DEE values. On storage of emulsions at 25 °C for 3 months, the value of DEE was found to be 72.12 ± 2.82%. The Tween 80 emulsifier film coverage onto the dispersed eugenol droplets of emulsions delayed significantly the drug release (12%-19%) compared to the drug release occurred from pure eugenol. The treatment of planktonic S. aureus and P. acnes with diluted eugenol emulsions showed the minimum inhibitory concentration and minimum bactericidal concentration values at 1.25-2.5 mg/ml whereas it occurred at 10 mg/ml for pure eugenol. Treating the biofilms with eugenol emulsions (1-2 mg/ml) yielded 59-70% minimum biofilm eradication concentration but 10 mg/ml pure eugenol showed 60%. Hence, the eugenol emulsions displayed antibacterial activity and could be projected as an antibiofilm or biofilm disruption agent.
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Affiliation(s)
- Chandra Lekha Putta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Sangareddy, India
| | - Syed Nazrin Ruhina Rahman
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
| | - Payel Chakraborty
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
| | - Tamilvanan Shunmugaperumal
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
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Ding ZG, Shen Y, Hu F, Zhang XX, Thakur K, Khan MR, Wei ZJ. Preparation and Characterization of Eugenol Incorporated Pullulan-Gelatin Based Edible Film of Pickering Emulsion and Its Application in Chilled Beef Preservation. Molecules 2023; 28:6833. [PMID: 37836676 PMCID: PMC10574067 DOI: 10.3390/molecules28196833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/17/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
The purpose of this study was to develop a composite film composed of eugenol Pickering emulsion and pullulan-gelatin, and to evaluate its preservation effect on chilled beef. The prepared composite film was comprehensively evaluated in terms of the stability of emulsion, the physical properties of the film, and an analysis of freshness preservation for chilled beef. The emulsion size (296.0 ± 10.2 nm), polydispersity index (0.457 ± 0.039), and potential (20.1 ± 0.9 mV) proved the success of emulsion. At the same time, the films displayed good mechanical and barrier properties. The index of beef preservation also indicated that eugenol was a better active ingredient than clove essence oil, which led to the rise of potential of hydrogen, chroma and water content, and effectively inhibited microbial propagation, protein degradation and lipid oxidation. These results suggest that the prepared composites can be used as promising materials for chilled beef preservation.
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Affiliation(s)
- Zhi-Gang Ding
- School of Food Engineering, Anhui Science and Technology University, Fengyang 233100, China
- School of Biological Science and Engineering, Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, North Minzu University, Yinchuan 750021, China (F.H.); (K.T.)
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yi Shen
- School of Biological Science and Engineering, Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, North Minzu University, Yinchuan 750021, China (F.H.); (K.T.)
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Fei Hu
- School of Biological Science and Engineering, Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, North Minzu University, Yinchuan 750021, China (F.H.); (K.T.)
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Xiu-Xiu Zhang
- School of Biological Science and Engineering, Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, North Minzu University, Yinchuan 750021, China (F.H.); (K.T.)
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Kiran Thakur
- School of Biological Science and Engineering, Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, North Minzu University, Yinchuan 750021, China (F.H.); (K.T.)
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Zhao-Jun Wei
- School of Biological Science and Engineering, Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, North Minzu University, Yinchuan 750021, China (F.H.); (K.T.)
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
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Parvizi F, Mehrabi S, Naghizadeh A, Kamalinejad M, Goudarzi S, Farahmandfar M. Comparison of intranasal and intraperitoneal administration of Eugenia caryophyllata (clove) essential oil on spatial memory, anxiety-like behavior and locomotor activity in a pilocarpine-induced status epilepticus rat model. BMC Complement Med Ther 2022. [PMCID: PMC9426212 DOI: 10.1186/s12906-022-03711-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Epilepsy induces behavioral effects and histological changes in the hippocampus. Eugenol, the main component of clove essential oil, has modulatory effects on seizure. We aimed to investigate the effect of intraperitoneal (IP) and intranasal (IN) clove essential oil on cognitive and histological changes during the chronic phase of temporal lope epilepsy.
Methods
Male Wistar rats were divided into eight groups of seven including control, pilocarpine (PLC), clove oil (IP and IN), sesame oil (IP and IN), phenobarbital (positive control) and saline. Rats were injected with 350 mg/kg PLC to induce status epilepticus (SE). We evaluated the effects of 14 days IP (0.1 ml/kg) and IN (0.02 ml/kg) administration of clove essential oil on locomotor/explorative activity, anxiety-like behavior, spatial recognition memory, and hyperexcitability, as well as hippocampal cell survival in PLC-treated rats.
Results
Our findings indicated that clove oil could effectively ameliorate PLC-induced behavioral deficits, and also alleviate neuronal death in the cornu ammonis 1 (CA1) region of the hippocampus. Behavioral results as in the Y-maze, Open field and elevated plus maze featured significant differences between control and treated groups. Post-seizure behavioral battery (PBSS) results explicated that behavioral hyperexcitability were less in clove oil groups (both IN and IP) compared to PLC-treated rats. Moreover, results of this study demonstrated that IN administration of clove oil was more potent in alleviating behavioral impairment at a lower dosage than by IP route. The results of this study, also demonstrated that intranasal administration of clove oil could reduce duration of recurrent seizures.
Conclusion
In summary, clove oil treatment ameliorated histopathological and behavioral consequences of PLC-induced SE.
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Chen X, Zhu W, Liu H, Deng F, Wang W, Qin L. Preparation of injectable clopidogrel loaded submicron emulsion for enhancing physicochemical stability and anti-thrombotic efficacy. Int J Pharm 2022; 611:121323. [PMID: 34848363 DOI: 10.1016/j.ijpharm.2021.121323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/11/2021] [Accepted: 11/24/2021] [Indexed: 01/13/2023]
Abstract
Due to the superior safety and therapeutic efficacy, clopidogrel (CLP) has been widely used to prevent postoperative thrombosis. However, limitations of delayed absorption and metabolic activation of clopidogrel after oral administration hinder its clinic use for acute thrombosis treatment in percutaneous coronary intervention (PCI). Although clopidogrel aqueous injection systems were designed and developed, chemical instability under physiological condition or vascular irritation remains to be solved. In this study, we aim to prepare an injectable clopidogrel loaded submicron emulsion to overcome the drawbacks of conventional clopidogrel aqueous formulation and improve the antiplatelet aggregation effects. Results showed that this delivery system exerted inspiring features including uniform particle size, higher drug loading capacity and sustained drug release behavior. It can dramatically upgrade the formulation stability and prevent the drug degradation under sterilization or higher pH environments. No remarkable droplet size increase or drug content decrease was observed during storage. Compared to CLP tablet, the peak drug concentration (Cmax) and area under the curve (AUC) of CLP emulsion increased by 12.01-fold and 4.69-fold, respectively. Most importantly, it exerted excellent in vivo anti-thrombotic effect on numerous designed animal models. Conclusively, submicron emulsion is a promising delivery system for improving clopidogrel stability and anti-thrombotic efficacy.
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Affiliation(s)
- Xuehong Chen
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; The Information Area of Xihu Industrial Base Shilong Town, Dongguan 523000, China
| | - Wanye Zhu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Huan Liu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Fengjian Deng
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Wanting Wang
- HEC Industrial Development Co. Changan Town, Dongguan 523000, China.
| | - Linghao Qin
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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